Smoke-stack.



C. I. CHAMBERS.

SMOKE STACK.

APPLICATION FILED MAY 3. l9l5.

Patented Oct. 17,1916.

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CHARLES I. CHAMBERS, OF AVERY, IDAHO, ASSIGNOR TO VINCENT J. WHITNEY, 0F

SEATTLE, WASHINGTON.

SMOKE-STACK.

Specification of Letters Patent.

Application filed May 3, 1915. Serial No. 25,647.

To all whom it may concern:

Be it known that I, CHARLES 'I. CHAM- nnns, a citizen of the United States, and a resident of Avery, county of Shoshone, and State of Idaho, have invented a certain new and useful Improvement in Smoke-Stacks, of which the following is a specification.

My invention is an improvement in smokestacks, and has for its object, the changing of the direction of the smoke, and the prevention of congestion, clogging of the passage or the production of interfering currents.

In the drawings I have shown the preferred form of my invention, in which- Figure 1 shows an end elevation of a smoke-stack with my improved elbow in place. Fig. 2 shows a side elevation of Fig. 1. Fig. 3 is the same as Fig. 1, showing the elbow moved out of the passage way of the smoke. Fig. 4; shows the same as Fig. 2, with the use of an elbow that has no divisions.

In the accompanying drawings and the following description, I. will consider the application of my invention to a locomotive smoke-stack: in which we have the smokestack 2, attached to thelocomotive 1; the improved elbow 3, is connected by the extended arms 4, 5, and 6, to the locomotive 1, at the turning joints 4, 5, and 6, in such a manner that the said elbow 3, can be swung into and out of conjunction with the top of the smoke-stack 2. The elbow 3 is provided with ribs or vanes 9, 9, 9, and 9 which divide the elbow 3 into flues, 3, 3*, 3, 3, and 3. There is a cylinder 7, and a piston 8, attached respectively to the side of locomotive 1, and to the side of the elbow 3; which provides means for swinging the elbow 3, into and out of conjunction with the top of the smoke-stack 2. The smoke and the direction of its movement are indi-' cated by the short spear-headed lines.

In the drawings I have shown the elbow 3, divided by the ribs 9, 9, 9, and 9 into parallel flues, which in cross section show the flues to be segments of the elbow, though this is not necessary as they may be of any number and of any shape, but to secure the best results they should be parallel and have the same bend as the elbow.

The normal positionof the elbow 3, in relation to the stack 2, is at one side as shown in Fig. 3 so that the smoke will have a free shoot upward, but when the locomotive enters a tunnel the smoke hits the ceiling and settles in a hot suffocatingcloud about the train. There has been used a plain elbow without ribs or fiues, as shown in Fig. 4, but this has not helped matters much as the smoke all strikes the top of the elbow and becomes congested at this point, with the result that the smoke is not diverted in a direct line, as there are cross currents formed that interfere one with another and cause the smoke to settle about the train and not to pass back over the top of it as desired. In connection with the use of my improved smoke-stack, when the train enters the tunnel, the steam is admitted to the bottomof the cylinder 7 which forces the piston 8 upward; this pushes the elbow 3, and 2 its extended brace arms 4:, 5, and 6 turn about the joints 1*, 5, and 6, and the elbow 3 swings over the top of the smoke-stack 2 as shown in Fig. 1 and Fig. 2. The smoke rising through the stack 2, enters the elbow 3 and is divided by the ribs 9", 9, 9, and 9 into the fiues3, 3", 3, 3, and 3; these separate flues take care of their separate portions of the smoke, independent of one another. As these flues are all parallel, they all divert their separate columns of smoke in independent but parallel channels and when the smoke leaves the elbow, it leaves in a series of parallel layers which, being parallel do not cause any interference or congestion, with the result that it moves in the desired direction and does not settle about the train. I have confined my description to th application of my invention to use with a locomotive, but I do not intend that this shall limit its scope of usefulness.

Therefore I claim:

. Patented Oct. 17,1916.

In combination with a fixed smoke stack, through and transversely thereacross, and an elbow pivotally mounltoed for swlionging terminating at the ends of the elbow. movement so that the e OW ma e arranged either at the upperiend of the stack CHARLES CHAMBERS or at one sidethereof, said elbow being pro-. Witnesses: vided with spaced partitions arranged con- H. S. DRAKE, centrically, extending longitudinally there- A. R. MCINTYRE.

Copies of this patent may be obtained for five cents each; by addressingthe Commissioner of Patents.

Washington, DI 03f 

